A297612 Number of 6Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 0, 1 or 3 neighboring 1s.

64, 1003, 26155, 429491, 8689859, 167209522, 3295502717, 63514777902, 1236924887482, 24028800131040, 467343372833699, 9079669955107756, 176491577891054673, 3430235571672204142, 66672908128121882076

Offset

1,1

Comments

Row 6 of A297607.

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

Some solutions for n=3
..0..1..0. .0..0..1. .1..0..0. .0..0..1. .0..1..1. .0..0..0. .0..0..1
..0..0..1. .1..0..0. .0..1..0. .0..1..0. .1..0..1. .0..0..0. .0..0..1
..1..0..1. .0..0..1. .0..0..0. .0..0..0. .0..0..1. .0..0..1. .0..0..1
..0..1..0. .0..0..1. .0..0..1. .1..0..0. .0..0..0. .1..0..1. .1..0..1
..0..0..1. .0..0..0. .0..1..0. .0..1..1. .1..0..1. .0..0..0. .0..0..1
..0..0..1. .0..0..0. .0..0..0. .0..0..1. .1..0..1. .0..1..0. .1..0..0

Crossrefs

Cf. A297607.

Sequence in context: A224392 A224025 A270272 * A000768 A230972 A232958

Adjacent sequences: A297609 A297610 A297611 * A297613 A297614 A297615

Keyword

nonn

Author

R. H. Hardin, Jan 01 2018

Status

approved